GK Quiz on Science: Chemistry Set XI

GK Quiz on Science: Chemistry Set XI, in this set you will find repository of 10 Multiple Choice Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.

1. What is the pH value of pure water?

A. 6.4

B. 6.6

C. 7

D. 7.4

2. Which of the following is called philosopher's wool?

A. Zinc bromide

B. Zinc nitrate

C. Zinc oxide

D. Zinc chloride

3. The container employed in the process of electrolysis is called:

A. Ammeter

B. Voltmeter

C. Voltammeter

D. Calorimeter

4. In the process of electrolysis oxidation occurs at:

A. Cathode

B. Anode

C. Both of these

D. None of these

5. In the process of electrolysis reduction occurs at :

A. Cathode

B. Anode

C. Both of these

D. None of these

6. Which of the following is utilized in the form of electrolyte of the dry cell (battery)?

A. Ammonium chloride and zinc chloride

B. Sodium chloride and calcium chloride

C. Magnesium chloride and zinc chloride

D. Ammonium chloride and calcium chloride

7. The iron container or vessel is galvanized by :

A. Chromium

B. Zinc

C. Aluminium

D. Nickel

8. The process of corrosiondoesn’t take place in which of the following metals, when these metals are left free in the air:

A. Iron

B. Copper

C. Gold

D. Silver

9. In the galvanic cell, the process takes place is:

A. Transformation of the electrical energy into the chemical energy

B. Transformation of the chemical energy into the electrical energy

C. Transformation of light energy into the electrical energy

D. Transformation of electrical energy into the light energy

10. In the exothermic reaction:

A. Heat is absorbed

B. Heat is evolved

C. Heat doesn't change

D. Temperature remains constant